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hwmon: (hp-wmi-sensors) Check if WMI event data exists

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The BIOS can choose to return no event data in response to a
WMI event, so the ACPI object passed to the WMI notify handler
can be NULL.

Check for such a situation and ignore the event in such a case.

Fixes: 23902f98f8 ("hwmon: add HP WMI Sensors driver")
Signed-off-by: Armin Wolf <[email protected]>
Reviewed-by: Ilpo Järvinen <[email protected]>
Message-ID: <[email protected]>
Signed-off-by: Guenter Roeck <[email protected]>
This commit is contained in:
Armin Wolf authored and Guenter Roeck committed 2024-09-02 07:23:35 -07:00
1 parent 6a422a96bc
commit a54da9df75
1 file changed
+2
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drivers/hwmon/hp-wmi-sensors.c
+2
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@@ -1637,6 +1637,8 @@ static void hp_wmi_notify(u32 value, void *context)
goto out_unlock;
wobj = out.pointer;
if (!wobj)
goto out_unlock;
err = populate_event_from_wobj(dev, &event, wobj);
if (err) {